Lightolier MPA2G36LS26U User Manual

MOUNTING METHODS DIMENSIONS

G

exposed T-grid ceiling.

T

exposed slot T-grid ceiling.

F

concealed Z-spline ceiling.

F

plaster ceiling/flanged.

T

direct concealed two directional
T-grid ceiling (see options for

splay trim).

drywall kit. (See options)

1/4" max.

15/16"
or 1"

24"

24"

1/4" max.

3/8"

24"

Type “G”
Fixture

15/16"

Ceiling Opening
24-5/16" x 24-5/16"

Support
(by others)

Drywall Kit
(See Options)

Drywall
(by others)

13/16"

Plaster

Opening

24-1/8"

24-11/16"

1-1/8" min.
3-3/4" max.

9/16"

24"

1-1/2" max.

1-7/8" max.

1-7/8" max.

1-1/8" min.
3-3/4" max.

23 7/8"

(606mm)

15 11/16"

(398mm)

5"

(127mm)

Air supply slots
(MPA only)

2"x 2 1/2" access plate
with two K.O.s (7/8" dia.)

24" (610mm)

5" (127mm)

PARABAFFLE plus MPA2G36LS26U

Page 1 of 2 2'x2' RECESSED FLUORESCENT, 1 1/2" DEEP, 36 CELL PARABOLIC LOUVER

STATIC OR AIR SUPPLY/RETURN, 2-6"U LAMP, T8 OR T12

Job Information Type:

Job Name:

Cat. No.:

Lamp(s):

Volts/Ballast:

Lightolier a Genlyte Thomas Company www.lightolier.com

Technical Information: [phone] • Fax [phone]
631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2002 Genlyte Thomas Group LLC (Lightolier Division)
A0902 SECTION 2/Folio G20-10

FEATURES

• 5" deep body.

• 3 1/2" x 3 1/2" cell size.

• 58.2% efficient.

• Clean contoured interior.

• Eyeleted heat removal vents in fixture ends.

• One-piece housing has ribbed construction for added strength.

• Hemmed over side rails for safe handling.

• Fixture ends turned-in for safe handling.

• Built-in earthquake clips (patent no. 5,072,344).

• Pre-anodized aluminum parabolic louver.

• Vertical grain louver eliminates reflected lamp images on cross baf­fle.

• Spring-loaded rooster head latches.

• 18 gauge steel hinges.

• Louver frame with integral positive light stop.

• Louver has protective film dust guard.

• Construction to meet Chicago Plenum is available.

PHOTOMETRY MODEL NO. MPA2G36LS26U

coefficients of utilization — zonal cavity method

RF 20 20 20
RC 80 50 30

RW 70 50 30 50 30 10 50 30 10

1656361 595856 575655
2605653 535149 514948
3565147 484542 464442
4514541 434037 423937
5484137 393633 383532
6443733 363229 353129
7413429 332926 322826
8383127 302623 292623
9362924 282421 272421

10 34 27 22 26 22 19 25 22 19

visual comfort probability (VCP) average 100 fc; reflectances 80/50/20

room size ceiling height ceiling height
W L 8.5 10.0 13.0 16.0 8.5 10.0 13.0 16.0
20 20 79 73 66 73 77 70 63 68

20 30 82 76 70 66 80 73 67 63
20 40 83 78 74 70 82 76 71 66
20 60 85 80 76 73 83 78 74 69

30 20 83 77 68 71 80 75 66 68
30 30 85 80 72 66 83 78 69 64
30 40 86 81 75 69 85 80 73 67
30 60 87 83 77 72 86 82 75 69
30 80 88 84 79 74 87 83 77 72

40 20 83 80 72 72 80 77 71 69
40 30 86 82 75 67 84 80 73 66
40 40 87 84 78 70 86 82 76 68
40 60 88 85 80 73 87 83 78 71
40 80 89 86 81 75 88 85 80 73
40 100 89 86 83 77 89 86 81 75

60 30 86 82 77 70 84 80 75 69
60 40 87 84 80 73 86 82 78 71
60 60 88 85 81 75 87 84 80 74
60 80 89 86 83 77 88 85 82 76
60 100 89 86 84 79 89 86 82 77

100 40 87 84 80 74 86 82 78 72
100 60 88 85 82 77 87 84 80 75
100 80 89 87 83 79 88 86 82 77
100 100 90 87 84 80 89 87 82 79

room cavity ratio

luminaries lengthwise

luminaries crosswise

ORDERING INFORMATION

Explanation of Catalog Number. Example: MPA2G36LS26U120SORF

OPTIONS & ACCESSORIES

PLASTER FRAME: Catalog Number: PF22.
CONTINUOUS ROW INSTALLATION: For F type fixtures, half-width flanges
are required between fixtures. Order Catalog Number: S2FCTRIM (each joint).
SPLAY TRIM: For T ceiling type only. SUFFIX: CTZ22 S2 SPLAY TRIM.
RADIO INTERFERENCE FILTER: 120 or 277 volt, 50 or 60 Hz. One per fixture
standard. SUFFIX: RF.
ELECTRICAL/WIRING OPTIONS: Consult factory.
AIR CLOSURE STRIP: SUFFIX: ACS2 (factory installed).
DRYWALL KIT: Order Catalog Number: FK92X2. (Request Folio OA30-10)
CHICAGO PLENUM: SUFFIX: CP.

SPECIFICATIONS

PERFORMANCE: In an installation of 2 lamp 31W luminaires in a room cavity

ratio of 1, with reflectance of 80% ceiling, 50% wall, 20% floor, the C.U. shall
not be less than .63. To prevent glare the VCP shall be not less than 80 either
lengthwise or crosswise (at 100fc level) and the average brightness at 65° shall
not exceed 1089 candelas per square meter. To control veiling reflections,
luminaire output in the 30°-90° zone shall not be less than 63.2%.
AIR HANDLING (MPA only) side air passages for air supply or air return.
Supply air is discharged vertically. Optional side closure strips. Air return is also
provided through the lamp compartment through fixture body ends.

SPECIFICATIONS (continued)

MATERIALS: Chassis parts are die-formed code gauge cold rolled steel.

Housing is ribbed for rigidity with side rails hemmed over and housing ends
turned-in for safe handling. Louver is pre-anodized aluminum (Coilzak® or
equal).
FINISH: Chassis exterior–black baked polyester enamel. Cavity– white
baked polyester enamel minimum 86% reflectance. Phosphate undercoating.
Louver–low iridescence semi-specular anodized vertical grain aluminum reflec­tor sheet is standard.
ELECTRICAL: Thermally protected class “P” ballast C.B.M. approved, non PCB.
If K.O. is within 3" of ballast, use wire suitable for at least 90°.

LABELS: I.B.E.W. UL and ULc Listed.

MP

PARABAFFLE

1-1/2" PARABOLIC:

Pre-anodized

aluminum louver

BODY STYLE:
A=Air Supply
S=Static

2

FIXTURE

WIDTH

CEILING TYPE:

G= Grid

(lay-in T bar)

F=Flanged

(overlap)

Z spline and
plaster frame

T=Slot grid or

two-directional
concealed

T

(see options)

36

NUMBER OF

CELLS

LOUVER
FINISH*:

L= Low

Iridescence
Semi-specular

(standard)

P= Low

Iridescence

Specular

W=White Baked

Enamel

S

SINGLE “V”
REFLECTOR

2

LAMP

QUANTITY

6U

LAMP TYPE/

FIXTURE
LENGTH:

6"U Lamp
T8 or T12

(Nominal 24")

VOLTAGE:

120 or 277

OPTIONS:

Add appropriate
suffix to catalog

no, ie: (RF)

BALLAST TYPE:

1-2 Lamp Mag. T12 LE

<20THD <10THD

1-2 Lamp Elec. T8 SO* HI*
LOL T8 Dimming PS –

*Instant Start Standard

Other dimming options. Consult factory.

Luminaire Efficacy Rating
LER-52.3 Watts-57.3 BF-0.87

Lightolier a Genlyte Thomas Company www.lightolier.com

Technical Information: [phone] • Fax [phone]
631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2002 Genlyte Thomas Group LLC (Lightolier Division)
A0902 SECTION 2/Folio G20-10

Job Information Type:

PARABAFFLE plus MPA2G36LS26U

Page 2 of 2 2'x2' RECESSED FLUORESCENT, 1 1/2" DEEP, 36 CELL PARABOLIC LOUVER

STATIC OR AIR SUPPLY/RETURN, 2-6"U LAMP, T8 OR T12